PE Release Coating Technical Specification

PE Release Coating Technical Specification

Product Overview

PE Release Coating is a specialized surface treatment applied to polyethylene (PE) films to create a non-stick, low-adhesion barrier for industrial and manufacturing applications. This high-performance coating enables clean separation of adhesives, resins, and composite materials while maintaining the flexibility and durability of the PE substrate. Available in silicone and silicone-free formulations, it is engineered for precision release control in demanding production environments.

Technical Specifications

Coating Composition

Base Polymer: LDPE, LLDPE, or HDPE films (25–300 µm)

 

Coating Types:

 

Silicone-Based: Platinum-cured or peroxide-cured systems

 

Silicone-Free: Acrylic, fluoropolymer, or proprietary non-silicone chemistries

 

Coating Weight: 0.5–3.0 g/m² (adjustable for release force control)

 

Curing Method: Thermal, UV, or electron beam (EB) curing

 

Performance Characteristics

Release Properties

 

Peel Force: 5–500 g/25mm (customizable)

 

Residual Adhesion: >95%

 

Low Migration: <0.1% silicone transfer (FDA-compliant grades available)

 

Thermal & Chemical Resistance

 

Temperature Range: -40°C to +180°C (short-term)

 

Resin/Adhesive Resistance: Compatible with epoxy, polyurethane, and acrylic PSAs

 

Solvent Resistance: Withstands IPA, acetone, and MEK

 

Mechanical Durability

 

Abrasion Resistance: >500 cycles (Taber test)

 

Flexibility: No cracking after 10,000 MIT folds

 

Tensile Strength: Maintains >90% of base PE film properties

 

Application Methods

Roll-to-Roll Coating: Gravure, Meyer rod, or slot-die application

 

Curing: Oven (thermal), UV lamp, or EB irradiation

 

Line Speeds: Up to 300 m/min (depending on coating weight)

 

Industrial Applications

Composite Manufacturing: Prepreg release films, vacuum bagging

 

Adhesive Products: PSA liner films, label stocks

 

Electronics: Flexible PCB processing, display protection

 

Medical: Device packaging, wound care adhesives

 

Quality & Compliance

Certifications: ISO 9001, FDA 21 CFR 175.300 (food contact)

 

Environmental: REACH, RoHS 3.0 compliant

 

Consistency: ±5% coating weight tolerance

 

Advantages vs. Alternatives

✔ Precision Release Control – Tunable adhesion for specific processes

✔ High-Temp Stability – Outperforms standard PE films

✔ Non-Contaminating – Low-migration formulas protect sensitive materials

✔ Customizable – Adjustable coating weights, widths, and substrates

 

Storage & Handling

Shelf Life: 12 months (15–25°C, <60% RH)

 

Processing: Apply to clean, corona-treated PE films for optimal adhesion

 

Custom formulations available for specialized release requirements.